Birds: why they don’t adapt to climate change


Sudden climate change due to global warming causes an increasingly common phenomenon, mass migration . However, not all animal species are able to face such drastic changes. Most are at risk of being trapped in an old and unsuitable habitat. A phenomenon that has a precise name “climate decoupling”, “climate decoupling”. It is affecting the birds of North America .

This phenomenon affects animals and plants at all latitudes, especially North American avifauna. The University of Leipzig is conducting an interesting study on the subject. 114 different species of birds inhabiting the United States and Canada were analyzed. Over the past 30 years, over 30 of these species have seen their habitat disrupted by climate change . One species to take as an example is the Ammodramus savannarum sparrow . It lives in the American prairies , which today are disappearing. A subspecies of this bird is even threatened with extinction .

However, bird species are not all affected by global warming in the same way. Specialist species are the most affected, therefore most in need of specific environments to survive. The reasons for decoupling vary. For example, for species linked to their habitat due to the presence of particular resources, so they are unable to leave their environment. Then species that do not want to get lost in places unknown to them and for many other reasons such as pollution or habitat destruction. Furthermore, the decoupling of the climate affects, above all, species already considered in extinction and therefore more in need of protection.

  • Why are some birds not adapting to climate change? (


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